.bailaoban {
  position: absolute;
  -webkit-app-region: drag;
  top: 0;
  left: 0;
  width: 366px;
  height: 401px;
  display: block;
}
#bailaoban_base {
  background-image: url("../imgs/bailaoban_base.png");
}
#bailaoban_right_hand {
  background-image: url("../imgs/bailaoban_right_hand.png");
  background-position-x: 366px;
}